Home / 6,410.16-8,840.48-4,171.22

Finding the Fourth Proportional to 6,410.16, 8,840.48 and 4,171.22

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Solution

The fourth proportional to 6,410.16, 8,840.48 and 4,171.22 is: 5,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.16 : 8,840.48 = 4,171.22 : x
  2. Step 2: Convert to fraction form
    6,410.16/8,840.48 = 4,171.22/x
  3. Step 3: Cross multiply
    6,410.16x = 8,840.48 × 4,171.22
  4. Step 4: Simplify right side
    6,410.16x = 36,875,586.99
  5. Step 5: Solve for x
    x = 36,875,586.99/6,410.16
  6. Step 6: Final answer
    x = 5,752.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.